TY  - BOOK
AU  - Karssen, C M  .
AU  - Vanloon,L C  .
AU  - Vreugdennil,.
ED  - Karssen                                                                                                                                                                                                                                                        . 
TI  - Progress in plant growth regulation proceedings of the fourteenth international conference on plant growth substances,  Amsterdam / 
SN  - 0  7923  1617  7
U1  - 631.8 
PY  - 1991///
CY  - London : 
PB  - Kluwer Academic Publishers , 
ER  -